<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style>
		a {
			display: inline-block;
			width: 120px;
			height: 58px;
			line-height: 50px;
			color: #fff;
			text-decoration: none;
			text-align: center;
		}
		.a {
			background: url(images/bg1.png) no-repeat;
		}
		.a:hover {
			background: url(images/bg5.png) no-repeat;
		}

		.b {
			background: url(images/bg2.png) no-repeat;
		}
		.b:hover {
			background: url(images/bg6.png) no-repeat;
		}
		
		.c {
			background: url(images/bg3.png) no-repeat;
		}
		.d {
			background: url(images/bg4.png) no-repeat;
		}
	</style>
</head>
<body>
	<a href="#" class="a">醋溜土豆丝</a>
	<a href="#" class="b">醋溜土豆丝</a>
	<a href="#" class="c">醋溜土豆丝</a>
	<a href="#" class="d">醋溜土豆丝</a>
</body>
</html>